EvAU Challenge IV

David Mech was fascinated ___ the way in which wolves behave in the wild, ___ they live in families.

(a)  

Answer explanation

by... (it's a passive voive sentece).

, where... (refers to 'the wild'

___ you want to have a well-behaved dog, ___ (not/pay) attention to it when it misbehaves.

(a)  

Answer explanation

The situation, te condition starts with 'If'. You can also use 'In case', 'Should' or 'As long as'.

It's a first conditional sentence which you use, in this case, to give a recommedation, using a command 'Do not pay'.

Rudolph Schenkel, ___ put forward the theory of alpha-male dominance, ___ (write) his most famous study in 1947.

(a)  

Answer explanation

In the first gap, you must use just WHO because the former word is a person and it's a non-defining relative clause. The second gap is in the past because the date when the study was written in 1947.

Complete the following sentence to report what was said.

'Do you prefer having dogs or cats at your home?'

My friend asked me (a)  

More companies ___ (hire) me years ago if I ___ (have) a university degree.

(a)  

Answer explanation

The sentence refers to the past so you must use third conditional tenses!

Parents assume their kids learn the things they ___ (interest) in, while children look forward to ___ (satisfy) all their curiosity in a particular field.

(a)  

Answer explanation

Be careful because the first gap is in passive voice: Los pdres asumen que sus hijos aprenden las cosas en las que ellos están interesados.

El phrasal verb 'look forward to' +ING. (Esperar con ilusión ALGO).

Most students will agree this is ___ (precious) life period, but they only become aware of it ___ those days are behind.

(a)  

Answer explanation

When you come across an adjective, comparative or superlative forms may be possible. In this case 'el periodo de vida más apreciado' (su perlative).

Second gap it'sa preposition: cuando, después o una vez (when, after or once) que esos días han quedado atrás.

I wish I ___ (take up) more extracurricular activities years ago in order to meet someone ___ shared my passion.

(a)  

Answer explanation

A regret about the past (years ago)- Past perfect. (Ójala me huibiera apuntado a más...).

Second gap is a defining relatice clause. Due to the former word is a person, you have two options: who or that.

If Terry's parents ___ (be aware of) how aggressive he was, they ___ (talk) to a psychologist before.

(a)  

Answer explanation

The sentence talks about the past, so third conditional: If+past perfect/ would have +past participle.

What about ___ (watch) a new series? This one is ___ (tough) than I thought.

(a)  

Answer explanation

about (prepositio)+ verb in ING

Second gap: there´s a 'than' after the gap, so it's an adjective in comparative (toughER: más dura)